Failed to fetch configuration via cccp

https://abec4429deb4e40918d773b9a9567513-1231532090.ap-south-1.elb.amazonaws.com:18091/ui/index.html
usernmame: Administrator, password: password
Im able to load UI from internet. But while i test with sdk-doctor the following error is thrown
Not able to connect from applications.

19:43:42.370 INFO ▶ Parsing connection string `couchbases://abec4429deb4e40918d773b9a9567513-1231532090.ap-south-1.elb.amazonaws.com:18091`
19:43:42.371 INFO ▶ Connection string specifies to use secured connections
19:43:42.371 INFO ▶ Connection string identifies the following CCCP endpoints:
19:43:42.371 INFO ▶   1. abec4429deb4e40918d773b9a9567513-1231532090.ap-south-1.elb.amazonaws.com:18091
19:43:42.371 INFO ▶ Connection string identifies the following HTTP endpoints:
19:43:42.371 INFO ▶ Connection string specifies bucket ``
19:43:42.371 WARN ▶ Your connection string specifies only a single host.  You should consider adding additional static nodes from your cluster to this list to improve your applications fault-tolerance
19:43:42.371 INFO ▶ Performing DNS lookup for host `abec4429deb4e40918d773b9a9567513-1231532090.ap-south-1.elb.amazonaws.com`
19:43:42.385 INFO ▶ Bootstrap host `abec4429deb4e40918d773b9a9567513-1231532090.ap-south-1.elb.amazonaws.com` refers to a server with the address `35.154.159.23`
19:43:42.393 WARN ▶ The FTS service within Couchbase Server is not currently capable of serving data through SSL.  As this is the case, your application will not be able to perform FTS queries with your SSL bootstrap configuration.
19:43:42.393 INFO ▶ Attempting to connect to cluster via CCCP
19:43:42.393 INFO ▶ Attempting to fetch config via cccp from `abec4429deb4e40918d773b9a9567513-1231532090.ap-south-1.elb.amazonaws.com:18091`
19:43:42.443 ERRO ▶ Failed to fetch configuration via cccp from `abec4429deb4e40918d773b9a9567513-1231532090.ap-south-1.elb.amazonaws.com:18091` (error: EOF)
19:43:42.443 INFO ▶ Not attempting HTTP (Terse), as the connection string does not support it
19:43:42.443 INFO ▶ Not attempting HTTP (Full), as the connection string does not support it
19:43:42.443 INFO ▶ Selected the following network type: 
19:43:42.443 ERRO ▶ All endpoints specified by your connection string were unreachable, further cluster diagnostics are not possible
19:43:42.443 INFO ▶ Diagnostics completed

Summary:
[WARN] Your connection string specifies only a single host.  You should consider adding additional static nodes from your cluster to this list to improve your applications fault-tolerance
[WARN] The FTS service within Couchbase Server is not currently capable of serving data through SSL.  As this is the case, your application will not be able to perform FTS queries with your SSL bootstrap configuration.
[ERRO] Failed to fetch configuration via cccp from `abec4429deb4e40918d773b9a9567513-1231532090.ap-south-1.elb.amazonaws.com:18091` (error: EOF)
[ERRO] All endpoints specified by your connection string were unreachable, further cluster diagnostics are not possible

Found multiple issues, see listing above.

what is wrong here…